7 week old Satin Silkies: Pullets or Roos?

[Silkieslopsprops]

Here are my 7 week old satin silkies.
One Splash
Two Black
Two Blue

They're color coded with leg bands and doodles in the pictures. Any guesses would be helpful.
TIA!!

 

[fluffycrow]

Let’s tag the silkie expert
@Debbie292d , any thoughts?

 

[JedJackson]

Second to the last one is male with that elevated, bulbous comb. I think the last one is, too.

Satin Silkies have purple, irregular combs just like regular ones, but by 12 or 13 weeks, male specific feathering should be apparent in males. They may start showing gold leakage on the shoulders before that.